Originally Posted by baba louey
Is this the M performance exhaust? ie. light weight muffler costing in the $4-5K range. I'm thinking about this but the price is a little daunting. Do you have any more specific comments on that piece?
Yep BMW Performance Exhaust.Its quite quiet at lower RPM but really wakes up over 4000 rpm with different tones all over the rev range.Because it was installed at delivery it is under warranty the same as the complete car.